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edited Oct 10, 2010 at 5:21

Bjørn Kjos-Hanssen

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set-theory lo.logic

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asked Oct 8, 2010 at 17:57

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Condensation for L[U]

Does anyone know where I can find a proof for the Condensation Lemma for the L[U] hierarchy in Set Theory?

Thanks a lot.

set-theory